.github-repos {
    max-width: 600px;
    margin: 0 auto;
  }
  ul {
    list-style-type: none;
    padding: 0;
  }
  li {
    margin: 5px 0;
  }
  a {
    text-decoration: none;
    color: #007bff;
  }
  a:hover {
    text-decoration: underline;
  }